Pith Number

pith:YIHR67TP

pith:2015:YIHR67TP3B62M7PCVSXXUW5GE6

not attested not anchored not stored refs pending

Dyck algebras, interval temporal logic and posets of intervals

Luca Ferrari

arxiv:1503.04991 v1 · 2015-03-17 · math.CO · cs.DM · cs.LO · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIHR67TP3B62M7PCVSXXUW5GE6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:22:20.860249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c20f1f7e6fd87da67de2acaf7a5ba627bd24c2ddc94e1ae467f6de97d122c7e3

Aliases

arxiv: 1503.04991 · arxiv_version: 1503.04991v1 · doi: 10.48550/arxiv.1503.04991 · pith_short_12: YIHR67TP3B62 · pith_short_16: YIHR67TP3B62M7PC · pith_short_8: YIHR67TP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YIHR67TP3B62M7PCVSXXUW5GE6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c20f1f7e6fd87da67de2acaf7a5ba627bd24c2ddc94e1ae467f6de97d122c7e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da00e7185e2909c293a6ca9a861ae14af4fa13550e10df30d2d1d9a3e61a71dd",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.LO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-17T10:54:47Z",
    "title_canon_sha256": "360815f5f11656a4bcb95f6a1af42876e812801be98b9b7ca5ec4071a814507e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04991",
    "kind": "arxiv",
    "version": 1
  }
}